Home / 15,563.80-23,403.30-13,029.40

Finding the Fourth Proportional to 15,563.80, 23,403.30 and 13,029.40

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Solution

The fourth proportional to 15,563.80, 23,403.30 and 13,029.40 is: 19,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.80 : 23,403.30 = 13,029.40 : x
  2. Step 2: Convert to fraction form
    15,563.80/23,403.30 = 13,029.40/x
  3. Step 3: Cross multiply
    15,563.80x = 23,403.30 × 13,029.40
  4. Step 4: Simplify right side
    15,563.80x = 304,930,957.02
  5. Step 5: Solve for x
    x = 304,930,957.02/15,563.80
  6. Step 6: Final answer
    x = 19,592.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.